Title: Oxygen Delignification and Bleaching of Mulberry Branches Kraft Pulp
Abstract: The oxygen delignification of mulberry branches kraft pulp was investigated,and the bleaching process after oxygen delignification was also discussed in this paper.The results showed that the optimal dosage of NaOH in oxygen delignification was 4.0%.H_2O_2 reinforced oxygen delignification could get a better effect and the optimal dosage of H_2O_2 was 0.5%.After bleaching with OQP_0 sequence,the brightness could reach 71.4%ISO.A higher brightness of 81.7%ISO was obtained when the O_PDE_(OP) bleaching sequence was used.When ODED sequence was applied,a brightness of higher than 90%ISO was obtained.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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